Daniel has been a friend and partner of Schindlerhof for many years and also Allianz, ATP MercedesCup, Axel Stein, Benefit, Best Western, BKK, Cellgym, Check One Two Perfect, CITO GROUP, CSB System AG, Evangelical Credit Cooperative, Deutsche Wirtschaft TV, DKN, Dr. Clauder, Dr. med. Peter Paterok, Doerr, Elios TV, Emotion Sports, driving lesson driver safety training, Gladio Agency for Communication, GolfTotal, Himmels, Holiday Worldwide, Holiday Inn, Interface Germany, Imperla, Inakarb Medicine, ITC, Jagdhof Glashütte Relais & Chateau, Mitopro Med, Mercator, Management consultancy Jastrob, Keltenhof, Luminatis, MTV, Olympia, OpenPR, OSP, Stuttgart base, Brandenburg State Chancellery, Selfkant Verlag, Thinova, Trigon, Queens Moat Group Roxall Medicine, RINK Maschinen Rügen Krimi, Speakers Excellence, Schmidt, Westfalia Jagdreisen, World Trade Center , Business Seniors, Business Report, Marina Residenz, Hohe Düne, Schindlerhof, Prof. Dr. Warschawski, and much more.